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參數資料
| 型號： | FSD200M |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | Green Mode Fairchild Power Switch (FPSTM) |
| 中文描述： | 0.365 A SWITCHING REGULATOR, 142 kHz SWITCHING FREQ-MAX, PDSO7 |
| 封裝： | LSOP-7 |
| 文件頁數： | 14/18頁 |
| 文件大小： | 391K |
| 代理商： | FSD200M |
FSD210, FSD200
14
Typical application circuit
Features
Non isolation buck converter
Low component count
Enhanced system reliability through various protection functions
Key Design Notes
The output voltage(12V) is regulated with resistors, R1, R2 and R3, zener diode, D3, the transistor, Q1 and the capacitor,
C2. While the FSD210 is off diodes, D1 and D2, are on. At this time the output voltage, 12V, can be sensed by the feedback
components above. This output is also used with bias voltage for the FSD210.
R, 680K, is to prevent the OLP(over load protection) at startup.
R, 8.2K, is a dummy resistor to regulate output voltage in light load.
1. Schematic
2. Demo Circuit Part List
Application
Output power
Input voltage
Universal dc input
Output voltage (Max current)
Non Isolation Buck
1.2W
(100 ~ 375Vac)
12V (100mA)
R
680K
R2
110
0
C1
4.7uF/400V
R
8.2K
R3
750
D3(ZD)
1N759A
GND
Q1
KSP2222A
C4
1000uF 16V
C2
47nF/50V
GND
R1
110
U1
FSD21x
8
5
7
1
4
2
3
Vstr
Vcc
D
G
Vfb
G
G
C5
47uF 50V
D1
UF4004
VINDC
D2
UF4004
VOUT(12V/100mA)
L1
1mH
TO-92 Type
1
Q1
DO-35 Type
12VZD/0.5W
1
1N759A
ZD1
0.5A/700V
1
FSD210
U1
2
Quantity
1A/1000V Ultra Fast Diode
Description
DO41 Type
UF4007
D1,D2,
Requirement/Comment
Part #
Reference
Ic=200mA, Vcc=40V
KSP2222A
Iover=0.3A
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| FSD210 | 功能描述:電源開關 IC - 配電 SMPS Power Switch RoHS:否 制造商:Exar 輸出端數量:1 開啟電阻（最大值）:85 mOhms 開啟時間（最大值）:400 us 關閉時間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
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